2145245434205 has 8 divisors (see below), whose sum is σ = 2585635026912. Its totient is φ = 1708636010128.

The previous prime is 2145245434201. The next prime is 2145245434207. The reversal of 2145245434205 is 5024345425412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2145245434205 - 2² = 2145245434201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145245434201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945040907 + ... + 945043176.

It is an arithmetic number, because the mean of its divisors is an integer number (323204378364).

Almost surely, 2^{2145245434205} is an apocalyptic number.

It is an amenable number.

2145245434205 is a deficient number, since it is larger than the sum of its proper divisors (440389592707).

2145245434205 is a wasteful number, since it uses less digits than its factorization.

2145245434205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890084315.

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 2145245434205 in words is "two trillion, one hundred forty-five billion, two hundred forty-five million, four hundred thirty-four thousand, two hundred five".